*{
    -moz-user-select: none; /* Firefox私有属性 */
    -webkit-user-select: none; /* WebKit内核私有属性 */
    -ms-user-select: none; /* IE私有属性(IE10及以后) */
    -khtml-user-select: none; /* KHTML内核私有属性 */
    -o-user-select: none; /* Opera私有属性 */
    user-select: none; /* CSS3属性 */
}
body {
    padding-top: 120px;
    padding-bottom: 40px;
    background-image: url(../image/bg.jpg);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

.form-container {
    max-width: 330px;
    padding: 15px;
    margin: 0 auto;
}

.form-container .form-control {
    position: relative;
    height: auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding: 10px;
    margin-top: 10px;
    font-size: 16px;
}

.form-container .form-control:focus {
    z-index: 2;
}
#submit{
    margin-top: 10px;
}
